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Hemoglobin A1c and the Estimated Average Glucose



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Fasting Plasma Glucose

Slide 7

July 2009

Measurement of the fasting plasma glucose has several advantages; glucose is easy to measure in terms of technical intervention and it is widely available on automated instruments.  Only one specimen is needed, as opposed to timed specimens with the oral glucose tolerance test.  In addition there is a single cutoff used for diagnosis, 126 mg/dL.  It should also be mentioned that point of care analyzers are not sufficiently precise enough to be used for diagnosis of diabetes and should not be used for this purpose.

Fasting Plasma Glucose

 


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